To delete your Grok chat history on grok.com/app or X, open your chat, choose...

https://www.bookmarkingvictor.win/to-delete-your-grok-chat-history-go-to-grok-com-app-or-use-the-x-app-and-clear

To delete your Grok chat history on grok.com/app or X, open your chat, choose delete, and confirm. Remember, deleted chats go to Recently Deleted and stay there for 30 days before permanent removal